where／find／find_by_idのそれぞれのクラス名

gistfile1.txt

◆where
user_test = User.where( :id => 1 )
user_test.class.name           # => "ActiveRecord::Relation"
user_test.first.class.name     # => "User"
user_test.all.class.name       # => "Array"
user_test.all.first.class.name # => "User"

◆find
user_test2 = User.find( 1 )
user_test2.class.name  # => "User"

◆find_by_id
user_test3 = User.find_by_id( 1 )
user_test3.class.name  # => "User"